style: Remove require marks from Chat paramerter sliders (#4582)

Author: yomybaby

react/src/components/Chat/ChatParametersSliders.tsx

@@ -142,6 +142,7 @@ export const ChatParametersSliders = ({
       <Form
         size="small"
         layout="vertical"
+        requiredMark={false}
         initialValues={
           Object.keys(parameters).length > 0
             ? parameters